38812165

素因数分解:

$5^1\times 7^4\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 40

約数和(自身を含む): 56266488

約数和(自身を除く): 17454323

約数列:

[1, 5, 7, 35, 49, 53, 61, 245, 265, 305, 343, 371, 427, 1715, 1855, 2135, 2401, 2597, 2989, 3233, 12005, 12985, 14945, 16165, 18179, 20923, 22631, 90895, 104615, 113155, 127253, 146461, 158417, 636265, 732305, 792085, 1108919, 5544595, 7762433, 38812165]

約数ペア:

[(1, 38812165), (5, 7762433), (7, 5544595), (35, 1108919), (49, 792085), (53, 732305), (61, 636265), (245, 158417), (265, 146461), (305, 127253), (343, 113155), (371, 104615), (427, 90895), (1715, 22631), (1855, 20923), (2135, 18179), (2401, 16165), (2597, 14945), (2989, 12985), (3233, 12005)]